Add XSS protection by escaping all HTML output

Escape all parameter keys, captions, descriptions, option values, and defaults before inserting into HTML to prevent XSS vulnerabilities from XML configuration data.

Co-authored-by: iaretechnician <2749183+iaretechnician@users.noreply.github.com>

modules/billing/docs/rust/index.php

@@ -279,6 +279,55 @@ setadminpassword [password]
     </div>
 </div>
 
+<h3>Creating a Start Script</h3>
+
+<p><strong>Linux (start.sh):</strong></p>
+<pre><code>#!/bin/bash
+cd /path/to/server
+./server_executable [parameters] 2>&1 | tee server.log
+</code></pre>
+<pre><code>chmod +x start.sh
+./start.sh
+</code></pre>
+
+<p><strong>Windows (start.bat):</strong></p>
+<pre><code>@echo off
+cd /d "%~dp0"
+server_executable.exe [parameters]
+pause
+</code></pre>
+
+<h3>Running as a Service</h3>
+
+<p><strong>Linux (systemd):</strong></p>
+<pre><code># Create service file: /etc/systemd/system/gameserver.service
+[Unit]
+Description=Rust Server
+After=network.target
+
+[Service]
+Type=simple
+User=gameserver
+WorkingDirectory=/home/gameserver/server
+ExecStart=/home/gameserver/server/start.sh
+Restart=on-failure
+RestartSec=10
+
+[Install]
+WantedBy=multi-user.target
+</code></pre>
+
+<pre><code># Enable and start service
+sudo systemctl daemon-reload
+sudo systemctl enable gameserver
+sudo systemctl start gameserver
+sudo systemctl status gameserver
+</code></pre>
+
+<h2 id="troubleshooting">🔧 Troubleshooting</h2>
+
+<h3>Server Won't Start</h3>
+
 <h4>Check Server Logs</h4>
 <pre><code># View recent log entries
 tail -f server.log